[DL]String additions to 'gnome-sudoku.master'

This is an automatic notification from status generation scripts on:
https://l10n.gnome.org.

There have been following string additions to module 'gnome-sudoku.master':

+ "Initialize the earmarks with the possible values for each cell"

Note that this doesn't directly indicate a string freeze break, but it
might be worth investigating.
https://gitlab.gnome.org/GNOME/gnome-sudoku/commits/master